Home / 60,422.70-90,634.05-51,966.30

Finding the Fourth Proportional to 60,422.70, 90,634.05 and 51,966.30

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Solution

The fourth proportional to 60,422.70, 90,634.05 and 51,966.30 is: 77,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,422.70 : 90,634.05 = 51,966.30 : x
  2. Step 2: Convert to fraction form
    60,422.70/90,634.05 = 51,966.30/x
  3. Step 3: Cross multiply
    60,422.70x = 90,634.05 × 51,966.30
  4. Step 4: Simplify right side
    60,422.70x = 4,709,916,232.52
  5. Step 5: Solve for x
    x = 4,709,916,232.52/60,422.70
  6. Step 6: Final answer
    x = 77,949.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.